Why does my Sony Muteki go into Protect Mode?
Emily Sparks
Published Mar 13, 2026
Why does my Sony Muteki go into Protect Mode?
I think it’s protecting itself from any quality audio coming out of it. The amp goes into protect mode usually when theres a short on the speaker terminals. Check for any strands of wire that may have gotten stuck between the terminals. If everything is clear then I would be thinking the amp needs servicing
How to fix Sony receiver ” protect ” mode?
Sony receiver “protect” mode? I have a Sony STR-D665 receiver, that states “protect” on the display about 2 seconds after turning it on, and it won’t do anything. Does anyone know how to fix this?
Why does my Sony STR D665 say protect?
I have a Sony STR-D665 receiver, that states “protect” on the display about 2 seconds after turning it on, and it won’t do anything. Does anyone know how to fix this? It does it regardless of anything connected to it or not. That is usually caused by a short in one of the speakers.
Why does my Sony surround sound receiver flash protector?
My goodness the internet is great. I was about to throw out a Sony surround sound receiver I’ve had for years because it would flash “PROTECTOR” on the display after being on for a few seconds, and I’d tried everything I could think of (cleaning, making sure no bits of wire in speaker posts, leaving off for hours or days, etc.).
I think it’s protecting itself from any quality audio coming out of it. The amp goes into protect mode usually when theres a short on the speaker terminals. Check for any strands of wire that may have gotten stuck between the terminals. If everything is clear then I would be thinking the amp needs servicing
Sony receiver “protect” mode? I have a Sony STR-D665 receiver, that states “protect” on the display about 2 seconds after turning it on, and it won’t do anything. Does anyone know how to fix this?
I have a Sony STR-D665 receiver, that states “protect” on the display about 2 seconds after turning it on, and it won’t do anything. Does anyone know how to fix this? It does it regardless of anything connected to it or not. That is usually caused by a short in one of the speakers.
Why is my Sony home audio protector flashing?
Sony Home Audio Protect Flashing 1 If there has been an electrical surge or power outage, then the internal surge protection inside the home audio device… 2 Ensure the top of the home audio device has proper ventilation to keep it from overheating. Running the home audio… 3 Reduce the volume level. If the impedance of any of the… See More….